Category: E
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Excitation-contraction coupling
The sequence of events by which an action potential in the sarcolemma initiates the sliding of the myofilaments, resulting in contraction.
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Exchange vessels
Another name for capillaries, because this is the site of gas and nutrient transfer between the blood and tissues.
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Excess postexercise oxygen consumption (EPOC)
Oxygen consumption during recovery that is above normal resting values.
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Eupnea
Normal respiration rate and rhythm.
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Entrainment
The synchronization of limb movement and breathing frequency that accompanies rhythmical exercise. Gaining control of a heart rhythm (esp. a tachycardic rhythm) with an external stimulus such as cardiac pacemaker. The synchronization of bodily functions and movements with the cadence of music.
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Energy system power
The maximal amount of energy that can be produced per unit of time.
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Energy system capacity
The total amount of energy that can be produced by an energy system.
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End-systolic volume (ESV)
The volume of blood in the ventricles at the end of systole.
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End-diastolic volume (EDV)
The volume of blood in the ventricles at the end of diastole.
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Electron transport system (ETS)
The final metabolic pathway, which proceeds as a series of chemical reactions in the mitochondria that transfer electrons from the hydrogen atom carriers NAD and FAD to oxygen; water is formed as a by product; the electrochemical energy released by the hydrogen ions is coupled to the formation of ATP from ADP and P. The…